Finding the Fourth Proportional to 75,126.13, 103,674.06 and 41,134.62
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Solution
The fourth proportional to 75,126.13, 103,674.06 and 41,134.62 is: 56,765.78
Step by Step Solution
- Step 1: Write the proportion equation
75,126.13 : 103,674.06 = 41,134.62 : x - Step 2: Convert to fraction form
75,126.13/103,674.06 = 41,134.62/x - Step 3: Cross multiply
75,126.13x = 103,674.06 × 41,134.62 - Step 4: Simplify right side
75,126.13x = 4,264,593,061.96 - Step 5: Solve for x
x = 4,264,593,061.96/75,126.13 - Step 6: Final answer
x = 56,765.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.